Optical Illusions<br />Kerry Cress<br />CIS 100 – Spring 2011<br />Professor Randolph Cullum<br />
Optical Illusions Defined<br />“The perception of something objectively existing in such a way as to cause misinterpretati...
Optical illusions origination<br />Dates back to ancient Greece<br />Use of optical illusions in temples<br />Slanted roof...
AmbiguousIllusions<br />Look like two or<br />more images<br />
Distorting Illusions<br />Distort curvature,<br />size, or length<br />
Physio-logical Illusions<br />Typically includes afterimages<br />
Paradox Illusions<br />Are created by<br />objects but are<br />logically impossible<br />
Optical Illusions in daily life<br />Television<br />Picture is not really moving<br />Picture is animated<br />Other Tech...
Famous Optical Illusion<br />Popular ghost story shown on Fact or Fake: Paranormal Files TV show<br />Cars pushed uphill o...
sources<br />http://library.thinkquest.org/J0112786/illusions.htm<br />http://www.optillusions.com<br />http://brainden.co...
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Optical Illusions - Kerry Cress

  1. 1. Optical Illusions<br />Kerry Cress<br />CIS 100 – Spring 2011<br />Professor Randolph Cullum<br />
  2. 2. Optical Illusions Defined<br />“The perception of something objectively existing in such a way as to cause misinterpretation of its actual nature”<br />
  3. 3. Optical illusions origination<br />Dates back to ancient Greece<br />Use of optical illusions in temples<br />Slanted rooftops makes temples appear straighter<br />Swelling columns makes temples appear proportional<br />
  4. 4. AmbiguousIllusions<br />Look like two or<br />more images<br />
  5. 5. Distorting Illusions<br />Distort curvature,<br />size, or length<br />
  6. 6. Physio-logical Illusions<br />Typically includes afterimages<br />
  7. 7. Paradox Illusions<br />Are created by<br />objects but are<br />logically impossible<br />
  8. 8. Optical Illusions in daily life<br />Television<br />Picture is not really moving<br />Picture is animated<br />Other Technology<br />Magazines, cell phones, computers, etc.<br />All color we see is made up of tiny red, blue, and green dots<br />
  9. 9. Famous Optical Illusion<br />Popular ghost story shown on Fact or Fake: Paranormal Files TV show<br />Cars pushed uphill over railroad tracks by kids killed in bus crash<br />Seemed to actually be working<br />Was debunked after figuring out road was going downhill and surroundings made it appear to be going uphill creating an optical illusion to the human eye<br />
  10. 10. sources<br />http://library.thinkquest.org/J0112786/illusions.htm<br />http://www.optillusions.com<br />http://brainden.com/visual-illusions.htm<br />http://www.world-mysteries.com/illusions/sci_illusions2.htm<br />http://www.wikipedia.org<br />

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